I finally got it working on my Windows 10 Pro, using the method below. I tried all the methods above, without success. Uninstalled everything and started from scratch.
1/ Go in to your "User Account Control Settings" or UAC and lower the notification bar to "Never Notify". Save and Reboot
2/ Install D-ViewCam - I used v.3.5. A newer version was not tested but might work. I think newest is 3.6?
**On my Windows 10 machine, when I tried to install it, I received the error in a Big Red Box - "This app has been blocked for your protection"
3/ I followed the instructions here to be able to install D-ViewCam:
https://www.wiknix.com/solved-this-app-has-been-blocked-for-your-protection/
**Be sure to read through this whole post and remove the "admin" account when you are done!
4/ After intalling D-VewCam from the Admin Login noted in #3, Log back in to your primary user account and go find the "MainConsole" Application in the folder:
\Program Files (x86)\D-Link\D-ViewCam and paste a shortcut of the "MainConsole" to your desktop.
**** I had issues when I put the UAC back to normal!! So, for this application/computer, I'm keeping the UAC at it's lowest level. Bummer, but at least it works.
Use at your own risk and if you don't know what you're doing or don't understand the above, don't do it.
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EDIT: As I was posting this, I see that there is a new post to try New Version 3.6.4
http://forums.dlink.com/index.php?topic=63729.msg261340#msg261340
I haven't tried this, yet, and will try later. If it does work, someone let this "thread" know :-) Thanks!
EDIT #2: GO TO THIS POST:
http://forums.dlink.com/index.php?topic=63729.0
New Version and works for me 